Expert Scalable Web App Development ConsultantsScalable Web App
We build scalable web apps that handle millions of users without breaking. Get a production-ready MVP in 12 weeks.
IRPR builds web apps that scale from day one. Our senior engineers use Next.js on the frontend, Node.js or Go on the backend, and PostgreSQL or DynamoDB for data. Every project runs on AWS, GCP with auto-scaling configured from the start.
We ship a production-grade MVP in 8 to 12 weeks. Our fixed price ranges from $80,000 to $250,000 depending on complexity and compliance needs (HIPAA, PCI-DSS, SOC 2). You get a fully containerized app with CI/CD, monitoring, and documentation.
Startup CTOs hire us to build their core platform without hiring a full team. Enterprise product managers use us to spin up scalable internal tools fast. Ecommerce founders trust us to handle Black Friday traffic. We work async-first but overlap with US timezones.
Types of software we ship.
Custom SaaS Platform
Multi-tenant subscription apps with Stripe billing, role-based access, and usage analytics. Built serverless on AWS Lambda + DynamoDB.
Real-Time Analytics Dashboard
Dashboards that stream data via WebSockets or SSE. Uses Grafana, ClickHouse, and Vega-Lite for million-row queries under 2 seconds.
API Gateway + Microservices Backend
Decoupled APIs with Kong or Envoy, PostgreSQL sharding, and Kafka for event-driven data flow. Designed for 10x traffic growth.
Ecommerce Marketplac
Vendor management, cart synchronization across devices, and Elasticsearch product search. Handles 50,000+ orders per hour with Redis caching.
Content Management System
Headless CMS with Strapi or custom GraphQL layer, image optimization with imgix, and multi-region CDN via CloudFront.
Collaboration / Whiteboard App
Real-time co-editing with Operational Transform, WebRTC video, and Liveblocks state sync. Stores strokes in a CRDT-based database.
Fintech Dashboard & Compliance Hub
PCI-DSS Level 1 compliant portals with Plaid integration, transaction monitoring, and audit logs. Deployed inside a VPC with encryption at rest.
Healthcare Patient Portal
HIPAA compliant app with FHIR API integration, telehealth video, and smart scheduling. Uses Auth via OAuth 2.0 and audit trails enabled.
We build for every business type.
SaaS startups
Ecommerce & retail
Healthcare & life sciences
Fintech and finance
Media & content
What makes a web app truly scalable
Scalability is not an afterthought. It is built into the architecture from the first line of code.
At IRPR, we design every web app with horizontal scaling in mind. We use stateless services, auto-scaling groups on AWS ECS or Kubernetes, and caching via ElastiCache. Database read replicas and connection pooling prevent bottlenecks even under load.
We test scalability with load simulations before launch. Using k6 and Artillery, we verify that your app handles 10,000 concurrent users with sub-200ms response times. Then we ship with New Relic and CloudWatch monitoring to catch issues early.
Scalable web app development vs generic agencies
Not every development team knows how to scale. Here is the real difference.
A generic dev shop builds for today: monolithic code, shared hosting, manual deployments. When traffic spikes, the app crashes. We build for tomorrow: modular microservices, container orchestration, and infrastructure as code via Terraform.
IRPR also writes automated integration tests and smoke tests in GitHub Actions. We enforce code reviews, vulnerability scanning with Snyk, and performance budgets. You get a scalable system that stays stable as your user base grows.
- Monolithic codebase hard to split
- Single database without read replicas
- Manual deploy every time
- No caching strategy
- No load testing before launch
- No monitoring until something breaks
- Microservices or modular monolith design
- PostgreSQL with read replicas + Redis cache
- CI/CD pipeline on GitHub Actions
- CloudFront CDN + ElastiCache from week 1
- K6 load testing with 10,000+ concurrent users
- New Relic + CloudWatch monitoring pre-production
Our 4-phase process for scalable web apps
We do not start coding until the architecture is validated. Every phase has a fixed deliverable.
Phase 1 is the Idea Validation with a technical strategy document. Phase 2 is the Roadmap with a fixed price and timeline. After you approve, Phase 3 builds the MVP. Phase 4 handles release, monitoring setup, and knowledge transfer.
Each phase ends with a sign-off meeting. There are no surprises. The roadmap, architecture diagram, and price are locked in week 2.
What you get with every scalable web app
Every project includes these 8 deliverables. No hidden scope, no extra cost at handoff.
You own the code, the infrastructure, and the CI/CD pipeline from day one. We do not hold your project hostage. Every deliverable is documented and explained in plain English.
Our senior engineers also leave behind a handover guide with architecture diagrams, environment variables, and common troubleshooting steps. Your team can maintain the app immediately.
- Source code in your private GitHub repository
- CI/CD pipeline with GitHub Actions or GitLab CI
- Auto-scaling infrastructure code in Terraform
- PostgreSQL database with automated backups
- Redis caching layer for fast reads
- Load testing results from k6
- Monitoring dashboards in CloudWatch or Grafana
- Full architectural documentation including ERD and API docs
What we ship in this practice.
B2B SaaS Analytics Platform
Built a multi-tenant dashboard that ingests 10 million events per month. Used Next.js, Node.js, ClickHouse, and Stripe. Reduced report generation time from 4 seconds to 0.8 seconds.
Real-Time Auction Platform
Developed a WebSocket-backed bidding system handling 5,000 concurrent bidders with sub-100ms latency. Tech stack: Go, Redis, PostgreSQL, AWS Fargate. Achieved 99.99% uptime during peak events.
HIPAA Compliant Patient Portal
Deployed a telemedicine platform with video and secure messaging. Integrated with Epic EHR via FHIR. Met all HIPAA requirements. Patient intake time dropped from 20 minutes to 4 minutes.
Fintech Investment Dashboard
Created a PCI-DSS compliant dashboard connecting to Plaid and multiple broker APIs. Built with React, Java Spring Boot, and PostgreSQL. Reduced portfolio refresh from 10 seconds to 1.2 seconds.
Headless CMS for Media Network
Delivered a GraphQL-based CMS serving 500K daily visitors across 3 regions. Used Next.js, Strapi, CloudFront, and DynamoDB. Cut article publication time by 60%.
Real Estate Marketplace
Built a scalable MLS search platform indexing 2 million properties. Integrated with RETS and Reso Web API. Search latency stayed under 300ms even with advanced filters.
Why teams hire us.
Senior engineers only, no juniors
Every person on your project has 10+ years of experience. We do not outsource to junior developers. Every line of code is reviewed by a senior architect.
Fixed price, no hourly surprises
After the Roadmap phase (week 2), you get a fixed price for the entire project. No hourly billing, no scope creep charges. The price does not change unless you change the scope.
Full code ownership from day one
You get access to the private GitHub repository immediately. You own the code, the infrastructure, and all IP. We sign a work-for-hire agreement upfront.
Architecture designed for scale
Our developers build with horizontal scaling in mind. We use load testing (k6, 10,000 concurrency) before launch. Every app ships with auto-scaling and monitoring.
Compliance built in from the start
We handle HIPAA, PCI-DSS, SOC 2, and FERPA. Developers configure encryption, access controls, audit logs, and data residency during the initial architecture phase.
We ship production apps, not prototypes
The MVP includes CI/CD, error tracking (Sentry), logging (DataDog), and a staging environment. You do not get a toy. You get a production-grade web app that is ready for users.
Idea → Roadmap → Product → Release.
Every engagement runs through the same four-stage pipeline. Predictable by design.
Questions clients ask first.
Related services and industries.
Ready to build? Let's talk.
30-minute discovery call. No deck. We'll tell you honestly what it takes, how long, and how much.